std::string ArgsManager::GetChainName() const
{
    auto get_net = [&](const std::string& arg) {
        LOCK(cs_args);
        util::SettingsValue value = util::GetSetting(m_settings, /* section= */ "", SettingName(arg),
            /* ignore_default_section_config= */ false,
            /*ignore_nonpersistent=*/false,
            /* get_chain_name= */ true);
        return value.isNull() ? false : value.isBool() ? value.get_bool() : InterpretBool(value.get_str());
    };

    auto is_chain_arg_present = [&](const std:: string& arg, const bool is_persistent) {
        LOCK(cs_args);
        util::SettingsValue value = util::GetSetting(m_settings, /* section= */ "", SettingName(arg),
            /* ignore_default_section_config= */ is_persistent,
            /*ignore_nonpersistent=*/(!is_persistent),
            /* get_chain_name= */ true);
        return !value.isNull();
    };

    const bool fRegTest = get_net("-regtest");
    const bool fSigNet  = get_net("-signet");
    const bool fTestNet = get_net("-testnet");

    const bool is_chain_arg_set_persistent = is_chain_arg_present("chain", /* is_persistent= */ true);
    const bool is_chain_arg_set_command_line = is_chain_arg_present("chain", /* is_persistent= */ false);
    const bool is_chain_arg_set = is_chain_arg_set_persistent || is_chain_arg_set_command_line;

    if ((int)is_chain_arg_set + (int)fRegTest + (int)fSigNet + (int)fTestNet > 1) {
        //check if m_settings has multiple chain commands. If so, throw error.
        std::string error{"Invalid combination of -regtest, -signet, -testnet and -chain. Can use at most one."};
        if (is_chain_arg_set_persistent && is_chain_arg_set_command_line) {
            error += " -chain is set in both .conf and command line.";
        }

        throw std::runtime_error(error);
    }
    if (fRegTest)
        return CBaseChainParams::REGTEST;
    if (fSigNet) {
        return CBaseChainParams::SIGNET;
    }
    if (fTestNet)
        return CBaseChainParams::TESTNET;

    return GetArg("-chain", CBaseChainParams::MAIN);
}